diff --git a/CHANGELOG.md b/CHANGELOG.md
index 21cbb36..2d1cf3c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@
 - Add support for named destinations
 - Throw errors when `dash(...)` is passed invalid lengths
 - Remove PDFDocument#output method
+- Add standalone build (js/pdfkit.standalone.js)
 
 ### [v0.9.1] - 2019-04-30
 
diff --git a/package.json b/package.json
index 7127d7f..df85d27 100644
--- a/package.json
+++ b/package.json
@@ -51,7 +51,7 @@
   },
   "scripts": {
     "prepublishOnly": "npm run build",
-    "build": "rollup -c",
+    "build": "rollup -c && browserify --standalone PDFDocument js/pdfkit.js > js/pdfkit.standalone.js",
     "demo": "cd demo && node test.js",
     "browser-demo": "browserify demo/browser.js > demo/bundle.js",
     "pdf-guide": "node docs/generate.js",